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AROMA-VOC Precision Chemical Vapor Analyzer
Entanglement Technologies’ AROMA-VOC trace vapor analyzer provides real time part per trillion chemical detection in ambient air, soil gas, sewer headspace, and other complex, real-world sampling environments. Real-time, laboratory grade results provide first responders with critical information on source location and hazard assessment during environmental accidents, upsets and industrial surveys. The analyzer is particularly well suited to air quality and vapor intrusion measurements where mobility and long-term stand-alone operation provide significant advantages over traditional sampling methodologies.
The AROMA-VOC analyzer provides much faster response than low resolution GC instruments while providing the sensitivity and selectivity of laboratory multi-column GC-MS systems.
The AROMA family of instruments all share a simple interface that can be accessed from anywhere and that provides long term autonomous intervention. The intrinsic stability of the CRDS analyzer core minimizes maintenance and calibration requirements greatly reducing instrument operation overhead. AROMA provides world class performance anywhere, anytime.
‣ Real-time part-per-trillion multi-chemical analysis in 10 minutes
‣ RapidScan molecular classification in 5 seconds with part-per-billion sensitivity, including methane
‣ Built for mobile and field deployments ‣ Demonstrated method detection limit as low as 2
pptv for benzene ‣ Unattended operation with automatic reporting ‣ Patented high performance CRDS system ‣ Intrinsic stability requires minimal maintenance and
calibration ‣ BTEX and chlorinated VOC optimized performance ‣ Easy to use and reliable “Ph.D. Free” operation
www.entanglementtech.com 650.204.7875
Model #ARVOC-171E_RSO Document Rev 2.2
Performance SpecificationsSpeciated Analysis ModeAnalytical Performance
Species† MDL (1500 mL sample)* MDL (100 mL sample)*Benzene < 10 pptv (0.03 µg/m3) < 150 pptv (0.45 µg/m3)Toluene < 50 pptv (0.15 µg/m3) < 750 pptv (2.25 µg/m3)Ethylbenzene <100 pptv (0.45 µg/m3) <1500 pptv (6.75 µg/m3)Xylenes <100 pptv (0.45 µg/m3) <1500 pptv (6.75 µg/m3)Trichloroethylene < 50 pptv (0.10 µg/m3) < 750 pptv (1.50 µg/m3)1,2-cisDichloroethylene < 100 pptv (0.40 µg/m3) < 1500 pptv (6 µg/m3)Isoprene < 100 pptv (0.30 µg/m3) <1500 pptv (5 µg/m3)1,3-butadiene <200 pptv (0.55 µg/m3) <4 ppbv (9 µg/m3)Acrolein <200 pptv (0.55 µg/m3) <4 ppbv (9 µg/m3)Styrene <500 pptv (2.1 µg/m3) <10 ppbv (42 µg/m3)Zero level drift (per analyte) < MDLAnalytical Precision (per analyte)†† greater of 25% of measured value or MDLAnalytical Accuracy (per analyte)†† greater of 30% or MDL
†Additional species available upon request and via software updates. †††Preliminary Specification per customer request
*MDL sample volume dependent
www.entanglementtech.com 650.204.7875
††Equivalent performance to EPA TO-15 laboratory requirements.
MeasurementAnalysis Time < 10 MinutesSampling Duration 1-45 MinutesCalibration As required by testing protocolData Reporting Attached PC, WAN gateway compatibleData Format options json, csv, kmlGlobal Positioning System Built-InSample Volume Range 5-5000 sccSampling Flow Range 2-500 sccm
RapidScan ModeResponse Time 2-10 secondsMolecule Class labels Aromatic, Diene, ChlorinatedSpeciated Molecules Methane, WaterTypical Sensitivity down to 1 ppbvMethane LOD 2 ppbvMethane Precision Greater of 2 ppbv or 10% of readingBaseline Drift < 3e-10 cm-1 /hourData Reporting Attached PC, WAN gateway compatibleData Format options json, csv, kmlGlobal Positioning System Built InWavelength Range 1610nm-1670nmSampling Flow Rate 100 sccm
Physical SpecificationsGas Connections Swagelok® 1/8”Analyzer Approximate Dimensions 18” w x 20” h x 23” dInstallation Benchtop or 19” Rack Analyzer Weight < 50 kg (110 lbs)Power Consumption 175W ave, 120 W Standby, Peak 450W (< 10 seconds)Power Source 105-120 VAC, 60 HzWarm-up Time < 45 minutesTemperature Range 5˚C – 30˚CHumidity Range 5%-85% RH, noncondensingPower and Gas Connections Front Panel
ConsumablesUltrapure N2 consumption < 5 standard L/hSorbent Collector Lifetime > 5000 measurementsAnalyte Focuser Lifetime > 5000 measurementsFront-end Filter (for dust/smoke) Condition dependent
Excellent statistical agreement between AROMA and Auto-GC across more than 600 side by side measurements shows TO-15 level performance. Instrument MDL was demonstrated using a diluted calibration standard at ET using EPA Method 301.
www.entanglementtech.com 650.204.7875
